milf moustache Share definition Flag when a milf sits on your face. unlike the dirty sanchez, this is a good thing. see: Jessica Alba I know she's got kids, but i'd still sport that milf moustache! milf moustache by jammer2isme December 9, 2008 0 0 Get merch Get the milf moustache mug. Buy Now — $32.95 See more merch